When Do You Need a Content Delivery Network?

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I had the chance to speak with Perry Wu CEO & Co-Founder of Bitgravity at Digital Hollywood and I asked him about the threshold of entry for Independent Producers in the online video content delivery network arena.
He told me about the different online video networks that are using Bitgravity and how some of them started out small and then grew large.
If you have more than one video series that is delivering over one million views per month from your own site you might want to think about taking control of your video content as well as your online video advertising inventory.